Antrader 1" NPT Female 304 Stainless Window Sight Glass Flow Indicator with Impeller,DN25,1Pcs

["Thread: 1\" NPT Female Thread.","Designd with impeller,our flow indicator provides a clear line of sight to visualize the flow of water in the pipeline,and easy monitoring and maintenance.","Easy to use,just simply attach the sight water flow indicator with impeller to your water pipe,and you can start monitoring immediately.","Suitable for agriculture,residential water supply,pool maintenance,and industrial use.","Package includes 1pcs sight water flow indicator with impeller,horizontal dual use for easy installation or disassembly."]